8112681 has 12 divisors (see below), whose sum is σ = 11991408. Its totient is φ = 5282424.

The previous prime is 8112679. The next prime is 8112683. The reversal of 8112681 is 1862118.

It is an interprime number because it is at equal distance from previous prime (8112679) and next prime (8112683).

It is not a de Polignac number, because 8112681 - 2¹ = 8112679 is a prime.

It is a super-2 number, since 2×8112681² = 131631186015522, which contains 22 as substring.

8112681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8112683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10095 + ... + 10868.

It is an arithmetic number, because the mean of its divisors is an integer number (999284).

Almost surely, 2^8112681 is an apocalyptic number.

It is an amenable number.

8112681 is a deficient number, since it is larger than the sum of its proper divisors (3878727).

8112681 is a wasteful number, since it uses less digits than its factorization.

8112681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012 (or 21009 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 8112681 is about 2848.2768474992. The cubic root of 8112681 is about 200.9346338277.

Adding to 8112681 its reverse (1862118), we get a palindrome (9974799).

The spelling of 8112681 in words is "eight million, one hundred twelve thousand, six hundred eighty-one".